The flight distance from Los Angeles International Airport (LAX) in Los Angeles, United States to Parapat Airport (SIW) in Parapat-Sumatra Island, Indonesia is 14,373 kilometers (8,931 miles / 7,761 nautical miles). The estimated flight time for this route is approximately 18h, flying northwest at a heading of 309°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting United States with Indonesia. It is an intercontinental flight between North America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:19 in Los Angeles, it's 19:19 in Parapat-Sumatra Island. With a 15-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 2,953 feet between the two airports. Parapat Airport sits higher than Los Angeles International Airport.

The return flight from Parapat-Sumatra Island (SIW) to Los Angeles (LAX) follows a heading of 41° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Los Angeles International Airport (LAX) and Parapat Airport (SIW) detail pages, or use our flight duration calculator to compare other routes.